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Government raises concerns about BP cap integrity

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By Cat Viglienzoni - July 19, 2010

The newly-capped Gulf of Mexico well may look like a victory, but government officials are raising concerns about possible oil seepage. The government and BP are disagreeing on what to do about the well - the government wants to begin pumping oil to the surface again, but BP wants the cap to stay on until the relief wells are finished.

 

In a letter to BP Chief Managing Director Robert Dudley, retired U.S. Coast Guard Admiral Thad Allen said monitoring the sea floor is "of paramount importance" because of seeping oil detected near the capped well and "undetermined anomalies" at the wellhead. The letter also asked BP to provide plans to resume pumping oil to the surface if oil is seen leaking from the sea floor and reiterated the importance of the relief wells, which Allen said should be the primary option for stopping the oil geyser.

A BP spokesman said they are reviewing the letter and they are "continuing to work very closely with the government."

 

However, others share the government's concern. Senior scientist Jackie Savitz with Oceana, an ocean conservation group, said leaks can mean the well is unstable.

 

"If we have a well that has integrity, then the oil won't seep out anywhere. But if there are breaks in it, or if there are some weaknesses in the drill bore, then that means that the oil can actually start squirting out from other places," she said. "That would be really bad news."

Savitz said because BP will be fined based on the amount of oil that they release, it is in their interest to release as little as possible. But she warned that shortcuts caused the spill in the first place, and taking more shortcuts could lead to a larger problem.

"If we're trying to keep the cap on because it makes a nice picture but there's oil seeping out somewhere else, that's a big mistake," she said.

In order for pumping oil to resume, the leak would have to be uncapped and fitted with equipment to siphon the oil up to the ships - a three-day process in which the well would be flowing freely. But Savitz said it could ultimately be a better solution because of the risk of more leaks appearing.

"Even if they have to take it off and fashion the siphons onto it, it's still a good thing because it's still going to increase the amount of oil that's being captured," she said. "Now don't get me wrong - you know, none of this is good news. This is all less worse."

Lower-than-expected pressure readings at the well could be a sign of an oil or gas leak on the seabed, Allen said in an earlier statement. But BP's Chief Operating Officer Doug Suttles said on Sunday the readings indicated a depleting reservoir and no issues had been found

 (Photo courtesy: AP Images)